during a demonstration flight 在一次表演飞行中
He could have died after developing deep vein thrombosis during a flight to Sydney.
他在飞往悉尼的航班上引发成深部静脉血栓之后,差点送命。
These data can help pilots identify and evaluate any problems that occur during a flight.
这些数据能帮助飞行员识别和评估飞行期间的发生的所有问题。
So they suggest that people not drink alcohol or smoke cigarettes either before or during a flight.
他们建议在乘飞机之前或者在飞行过程中不要吸烟喝酒。
So they suggest that people not drink alcohol or smoke cigarettes either before or during a flight.
VOA: special.2009.07.14
It was a narrow escape, one of many he would have during his long flight.
VOA: special.2009.03.18
The air pressure in a plane during flight is lower than at sea level.
VOA: special.2009.07.14
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